// mainLoop initiates all ports and handles the traffic
func mainLoop() {
openPorts()
defer closePorts()
log.Println("Waiting for configuration IP...")
var options *bonjour.ServiceEntry
for {
ip, err := inPort.RecvMessageBytes(0)
if err != nil {
log.Println("Error receiving IP:", err.Error())
continue
}
if !runtime.IsValidIP(ip) || !runtime.IsPacket(ip) {
continue
}
if err = json.Unmarshal(ip[1], &options); err != nil {
log.Println("Error decoding options:", err.Error())
continue
}
inPort.Close()
break
}
log.Println("Started...")
var err error
bonjourCh, err = bonjour.Register(options.Instance, options.Service, options.Domain, options.Port, options.Text, nil)
if err != nil {
log.Println("Error registering service:", err.Error())
exitCh <- syscall.SIGTERM
return
}
// Block execution
select {}
}
func registerService(serverPort uint16) bool {
hostname, err := os.Hostname()
if err != nil {
log.Fatalln("Failed to fetch hostname")
}
txt := []string{"host=" + hostname}
registered := registerServiceViaDBusAvahi("Reveller", "_reveller._tcp", serverPort, txt)
if !registered {
_, err := bonjour.Register("Reveller", "_reveller._tcp", "local", int(serverPort), txt, nil)
if err != nil {
return false
}
}
return true
}
func main() {
fmt.Println("hello")
ln, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
go func() {
i := 1
for {
conn, err := ln.Accept()
if err != nil {
fmt.Println(err.Error())
os.Exit(1) // TODO
}
fmt.Printf("incoming connection from %s\n", conn.RemoteAddr())
go handleSession(strconv.Itoa(i), conn)
i++
}
}()
iface, err := net.InterfaceByName(iface)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
bName := hex.EncodeToString(iface.HardwareAddr) + "@" + name
s, err := bonjour.Register(bName, "_raop._tcp", "", port, txt, nil)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
defer s.Shutdown()
handler := make(chan os.Signal, 1)
signal.Notify(handler, os.Interrupt)
for sig := range handler {
if sig == os.Interrupt {
time.Sleep(100 * time.Millisecond)
break
}
}
}
